Yingli Energy (China) YL255C-30b

Mono-c-Si

257.738 W Pmax

37.9 V Voc

9.16 A Isc

29.9 V Vmp

8.62 A Imp

15.77 % eff.

0.7424 FF

60 cells

IV curves not yet precomputed for this module. Run python manage.py precompute_iv_curves to generate them.

CEC Single-Diode Model Parameters

Parameter	Symbol	Value	Unit
Nameplate (STC)
STC Power	STC	257.738	W
PTC Power	PTC	235.0	W
Open-circuit voltage	V_oc_ref	37.9	V
Short-circuit current	I_sc_ref	9.16	A
Max-power voltage	V_mp_ref	29.9	V
Max-power current	I_mp_ref	8.62	A
Fill factor	FF	0.7424	—
Efficiency (STC)	η	15.77	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.00403	A/°C
Voc temperature coefficient	beta_oc	-0.1137	V/°C
Pmax temperature coefficient	gamma_r	-0.377	%/°C
NOCT	T_NOCT	45.0	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.42553	V
Light-generated current (ref)	I_L_ref	9.16989	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.4373	Ω
Shunt resistance (ref)	R_sh_ref	404.899	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	-1.6504	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 1.634 m²

Dimensions 1.65 × 0.99 m

NOCT 45.0 °C

CEC listing date 11/16/2022

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